This is all about her Dad. Your feelings don't even cross her mind, her kids' welfare beyond a vague caring don't either. That's why she's able to toss off such hurtful comments.
She is indifferent at best, totally focused on her needs, feelings and desires. She's looking at the short term, small picture. You're looking at the long term , big picture.
Have you taken a look over at the Mid Life Crisis forum? You might want to look over the resources list, to see if it fits your wife.
BITS Me-51, WAS-52 Kids 2 M-26yrs, H.left 2009, 2 more Bomb drops, Reconnection spring 2013 Change is inevitable, personal growth is a choice. Love is a action and choice you make, every day.